The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 23, 2006
Filed:
May. 07, 2003
Samuele Lolato, Pove del Grappa, IT;
Samuele Lolato, Pove del Grappa, IT;
Eden SRL, Cartigliano, IT;
Abstract
An adjustable heater for aquaria, comprising a substantially tubular container () within which are housed an electrical heating element (), a switch () comprising s fixed contacts () and moving contacts () and capable of electrically connecting the heating element () with an external source (R) of electrical power, a temperature sensor () with a bi-metal strip () capable of detecting the temperature of the liquid and interacting with the switch () to move it from a closed position to an open position when a predetermined temperature (T) is to reached. The moving contacts () of the switch () are secured to a free end (″) of the bi-metal strip () while the other end (″) of the bi-metal strip () is electrically insulated. This yields the advantage that electrical current does not pass through the bi-metal strip () and therefore does not create a Joule effect within it which affects the sensitivity and proper behavior of the temperature Is sensor ().